Home / 232,590,644.08-320,977,241.40-128,172,452.20

Finding the Fourth Proportional to 232,590,644.08, 320,977,241.40 and 128,172,452.20

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Solution

The fourth proportional to 232,590,644.08, 320,977,241.40 and 128,172,452.20 is: 176,879,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590,644.08 : 320,977,241.40 = 128,172,452.20 : x
  2. Step 2: Convert to fraction form
    232,590,644.08/320,977,241.40 = 128,172,452.20/x
  3. Step 3: Cross multiply
    232,590,644.08x = 320,977,241.40 × 128,172,452.20
  4. Step 4: Simplify right side
    232,590,644.08x = 41,140,440,130,629,360
  5. Step 5: Solve for x
    x = 41,140,440,130,629,360/232,590,644.08
  6. Step 6: Final answer
    x = 176,879,170.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.